4939689 has 4 divisors (see below), whose sum is σ = 6586256. Its totient is φ = 3293124.

The previous prime is 4939681. The next prime is 4939717. The reversal of 4939689 is 9869394.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4939689 - 2³ = 4939681 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4939681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823279 + ... + 823284.

It is an arithmetic number, because the mean of its divisors is an integer number (1646564).

Almost surely, 2^4939689 is an apocalyptic number.

It is an amenable number.

4939689 is a deficient number, since it is larger than the sum of its proper divisors (1646567).

4939689 is a wasteful number, since it uses less digits than its factorization.

4939689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646566.

The product of its digits is 419904, while the sum is 48.

The square root of 4939689 is about 2222.5411132305. The cubic root of 4939689 is about 170.3072758659.

The spelling of 4939689 in words is "four million, nine hundred thirty-nine thousand, six hundred eighty-nine".